3 years ago

How do similarities in the bones of humans dolphins and horse and

1 answer:

6 0

It provides evidence that each organism is related and similar in each way, leading to the conclusion of a common ancestor.<span />

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Cerrena [4.2K]

Answer:

$V_{concentrated}=0.042L=4.2mL$

Explanation:

Hello,

In this case, since in a dilution process the moles of the solute must remain unchanged, we use the volumes and molarities as shown below:

$M_{diluted}V_{diluted}=M_{concentrated}V_{concentrated}$

Clearly, the concentrated solution is 12M and the diluted solution is 0.5 M, thus, the volume of the concentrated solution we should take is:

$V_{concentrated}=\frac{M_{diluted}V_{diluted}}{M_{concentrated}} =\frac{0.5M*1.0L}{12M}\\ \\V_{concentrated}=0.042L=4.2mL$

Best regards.

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elena55 [62]

Answer:

Explanation:

it's the only one that seems to make sense

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baherus [9]

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Humans, micro organisms,and so on

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Pb(s) + N2(g) + 3O2(g) --> Pb(NO3)2

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nirvana33 [79]

$\huge\colorbox{red}T\colorbox{orange}h\colorbox{yellow}a\colorbox{green}n\colorbox{blue}k\colorbox{purple}s$

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